Individual Calculations January 2009
 Roering, Ed  Total change: 7.20  Rating chartPersonal card
 2C - r 1-3 - Dutch Team Competition Various NED 2008-09-27
RcRownchangeKK*chgGame
 2140 2145 2.00 3 0.48 15 7.20 
  Ten Hertog, Hugo 2133 NED1.0010.48157.20 
  Nikolic, Nebojsa m2365 BIH0.5010.28154.20 
  Van Zetten, Maarten 1923 NED0.501-0.2815-4.20 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 

 

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